#include <bits/stdc++.h>
using namespace std;
const int maxn=1e5+5;
int r[maxn];
int cnt[maxn];
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int n;
    cin>>n;
    int mina=100005;
    int maxa=-1;
    for(int i=1;i<=n;i++){
        cin>>r[i];
        cnt[r[i]]++;
        maxa=max(maxa,r[i]);
        mina=min(mina,r[i]);
    }
    int ans=-1;
    for(int i=mina;i<=maxa;i++){
        ans=max(ans,cnt[i]);
    }
    cout<<ans<<endl;
    return 0;
}
